[Surveillance of schistosomiasis epidemic situation after its transmission in- terrupted in Lufeng County, Yunnan Province].

Objective: To investigate the schistosomiasis epidemic situation changes after its transmission interrupted in Lufeng County in 1986, so as to provide the evidence for formulating the interventions for schistosomiasis elimination.

Methods: The surveillance of Oncomelania hupensis snail was performed by the systematic sampling, environmental sampling and special environmental comprehensive survey methods. The surveillance of human population was carried out by the sero logical screening method, and the positives were re-examined with the stool hatching method.